Pay per click
advertising has revolutionized the advertising world with its unparalleled targeting capabilities, speed to drive targeted visitor to your online sales channel and minimising the advertising waste in a greater extent compared to any other advertising medium.
You need to pay only when a prospective customer enquires about the product or services you offer and click on your advertisement i.e. with every click you have a chance to get a new prospect.
You are paying only for lead, some people also called it as pay per lead.